aura-mus: Hook up PerformWindowMove().

ui/views/mus/desktop_window_tree_host_mus.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/mus/desktop_window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/client/drag_drop_client.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/client/transient_window_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/window_port_mus.h"
 #include "ui/aura/mus/window_tree_host_mus.h"
 #include "ui/aura/window.h"
@@ skipping 143 matching lines @@
     // definitely in a different mojo service. Each app is fairly locked down.
     delegate->CommitMouseEventsEnabled(enabled);
     NOTIMPLEMENTED();
   }
 
  private:
   aura::Window* window_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeCursorManagerMus);
 };
+
+void OnMoveLoopEnd(bool* out_success,
+                   base::Closure quit_closure,
+                   bool in_success) {
+  *out_success = in_success;
+  quit_closure.Run();
+}
+
 }  // namespace
 
 DesktopWindowTreeHostMus::DesktopWindowTreeHostMus(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura,
     const std::map<std::string, std::vector<uint8_t>>* mus_properties)
     : aura::WindowTreeHostMus(MusClient::Get()->window_tree_client(),
                               mus_properties),
       native_widget_delegate_(native_widget_delegate),
       desktop_native_widget_aura_(desktop_native_widget_aura),
@@ skipping 395 matching lines @@
 void DesktopWindowTreeHostMus::ClearNativeFocus() {
   aura::client::FocusClient* client = aura::client::GetFocusClient(window());
   if (client && window()->Contains(client->GetFocusedWindow()))
     client->ResetFocusWithinActiveWindow(window());
 }
 
 Widget::MoveLoopResult DesktopWindowTreeHostMus::RunMoveLoop(
     const gfx::Vector2d& drag_offset,
     Widget::MoveLoopSource source,
     Widget::MoveLoopEscapeBehavior escape_behavior) {
-  NOTIMPLEMENTED();
-  return Widget::MOVE_LOOP_CANCELED;
+  static_cast<internal::NativeWidgetPrivate*>(
+      desktop_native_widget_aura_)->ReleaseCapture();
+
+  base::MessageLoopForUI* loop = base::MessageLoopForUI::current();
+  base::MessageLoop::ScopedNestableTaskAllower allow_nested(loop);
+  base::RunLoop run_loop;
+
+  ui::mojom::MoveLoopSource mus_source =
+      source == Widget::MOVE_LOOP_SOURCE_MOUSE
+          ? ui::mojom::MoveLoopSource::MOUSE
+          : ui::mojom::MoveLoopSource::TOUCH;
+
+  bool success = false;
+  gfx::Point cursor_location =
+      display::Screen::GetScreen()->GetCursorScreenPoint();
+  WindowTreeHostMus::PerformWindowMove(
+      mus_source, cursor_location,
+      base::Bind(OnMoveLoopEnd, &success, run_loop.QuitClosure()));
+
+  run_loop.Run();
+
+  return success ? Widget::MOVE_LOOP_SUCCESSFUL : Widget::MOVE_LOOP_CANCELED;
 }
 
 void DesktopWindowTreeHostMus::EndMoveLoop() {
-  NOTIMPLEMENTED();
+  WindowTreeHostMus::CancelWindowMove();
 }
 
 void DesktopWindowTreeHostMus::SetVisibilityChangedAnimationsEnabled(
     bool value) {
   window()->SetProperty(aura::client::kAnimationsDisabledKey, !value);
 }
 
 NonClientFrameView* DesktopWindowTreeHostMus::CreateNonClientFrameView() {
   if (!ShouldSendClientAreaToServer())
     return nullptr;
@@ skipping 130 matching lines @@
     aura::client::FocusClient* focus_client,
     aura::Window* window) {
   if (window == this->window()) {
     desktop_native_widget_aura_->HandleActivationChanged(true);
   } else if (is_active_) {
     desktop_native_widget_aura_->HandleActivationChanged(false);
   }
 }
 
 }  // namespace views